aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/include/cpu-sh4/cpu/fpu.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 10:53:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 10:53:43 -0700
commit00e9028a95fb8a4d79f2fb695a853f33ea7d3b57 (patch)
tree2dea2ae498a6ce57de8890e87185aca5e9f3ad2d /arch/sh/include/cpu-sh4/cpu/fpu.h
parent57b1494d2ba544c62673234da6115c21fac27ffc (diff)
parent7cb93181629c613ee2b8f4ffe3446f8003074842 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (28 commits) mm/hugetlb.c must #include <asm/io.h> video: Fix up hp6xx driver build regressions. sh: defconfig updates. sh: Kill off stray mach-rsk7203 reference. serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression. sh: Move out individual boards without mach groups. sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h. sh: Allow SH-3 and SH-5 to use common headers. sh: Provide common CPU headers, prune the SH-2 and SH-2A directories. sh/maple: clean maple bus code sh: More header path fixups for mach dir refactoring. sh: Move out the solution engine headers to arch/sh/include/mach-se/ sh: I2C fix for AP325RXA and Migo-R sh: Shuffle the board directories in to mach groups. sh: dma-sh: Fix up dreamcast dma.h mach path. sh: Switch KBUILD_DEFCONFIG to shx3_defconfig. sh: Add ARCH_DEFCONFIG entries for sh and sh64. sh: Fix compile error of Solution Engine sh: Proper __put_user_asm() size mismatch fix. sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation. ...
Diffstat (limited to 'arch/sh/include/cpu-sh4/cpu/fpu.h')
-rw-r--r--arch/sh/include/cpu-sh4/cpu/fpu.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh4/cpu/fpu.h b/arch/sh/include/cpu-sh4/cpu/fpu.h
new file mode 100644
index 00000000000..febef734252
--- /dev/null
+++ b/arch/sh/include/cpu-sh4/cpu/fpu.h
@@ -0,0 +1,32 @@
+/*
+ * linux/arch/sh/kernel/cpu/sh4/sh4_fpu.h
+ *
+ * Copyright (C) 2006 STMicroelectronics Limited
+ * Author: Carl Shaw <carl.shaw@st.com>
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License Version 2. See linux/COPYING for more information.
+ *
+ * Definitions for SH4 FPU operations
+ */
+
+#ifndef __CPU_SH4_FPU_H
+#define __CPU_SH4_FPU_H
+
+#define FPSCR_ENABLE_MASK 0x00000f80UL
+
+#define FPSCR_FMOV_DOUBLE (1<<1)
+
+#define FPSCR_CAUSE_INEXACT (1<<12)
+#define FPSCR_CAUSE_UNDERFLOW (1<<13)
+#define FPSCR_CAUSE_OVERFLOW (1<<14)
+#define FPSCR_CAUSE_DIVZERO (1<<15)
+#define FPSCR_CAUSE_INVALID (1<<16)
+#define FPSCR_CAUSE_ERROR (1<<17)
+
+#define FPSCR_DBL_PRECISION (1<<19)
+#define FPSCR_ROUNDING_MODE(x) ((x >> 20) & 3)
+#define FPSCR_RM_NEAREST (0)
+#define FPSCR_RM_ZERO (1)
+
+#endif